Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids
IDT IEC 60589:1977
全国绝缘材料与系统评定标准化技术委员会(SAC/TC 301)
本标准规定了用液体萃取测定电气绝缘材料离子杂质的试验方法。
本标准适用于测定电气绝缘材料中离子化的可溶性有机或无机物质，根据萃取溶液的体积电导率的增加来证明它们的存在。该试验对浸于致冷剂或浸渍剂中的电气绝缘材料具有特殊意义。
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